P0304 2017 Honda CR-V Code - No. 4 Cylinder Misfire Detected
Quick Answer
When the OBD-II system detects a misfire in the No. Common causes include Faulty spark plug in the No, 4 cylinder, Malfunctioning ignition coil. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0304 2017 Honda CR-V indicates No. 4 Cylinder Misfire Detected.
- Common causes
- Common causes include Faulty spark plug in the No, 4 cylinder, Malfunctioning ignition coil.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0304 2017 Honda CR-V Description
When the OBD-II system detects a misfire in the No. 4 cylinder of a 2017 Honda CR-V, it means that there is a problem with the combustion process in that specific cylinder. This can lead to a lack of power, rough idling, poor fuel economy, and potentially cause damage to the catalytic converter over time. A misfire occurs when the air-fuel mixture in the cylinder fails to ignite at the right time, which can be caused by various factors such as a faulty spark plug, ignition coil, fuel injector, or even issues with the engine's compression.
Common Causes of P0304 2017 Honda CR-V
- Faulty spark plug in the No. 4 cylinder.
- Malfunctioning ignition coil.
- Clogged or failing fuel injector.
- Low compression in the No. 4 cylinder.
- Issues with the engine's timing or valve train.
Symptoms of P0304 2017 Honda CR-V
- Rough idling or vibrations while the vehicle is running.
- Loss of power or acceleration.
- Decreased fuel efficiency.
- Check Engine Light illuminated on the dashboard.
- Engine may sound rough or produce unusual noises.
How to Fix P0304 2017 Honda CR-V
- Diagnose the specific cause of the misfire by checking the spark plug, ignition coil, fuel injector, and compression in the No. 4 cylinder.
- Replace the faulty spark plug or ignition coil if they are found to be the issue.
- Clean or replace the fuel injector if it is clogged or malfunctioning.
- Conduct a compression test to determine if there are any issues with the cylinder's compression.
- Clear the OBD-II code and test drive the vehicle to ensure that the misfire has been resolved.
Cost to Fix P0304 2017 Honda CR-V
The typical repair costs for addressing a No. 4 cylinder misfire in a 2017 Honda CR-V can range from $100 to $500, depending on the specific cause of the issue and the cost of parts and labor in your area. It's important to factor in additional costs for diagnostic time and potential replacement of multiple components if needed. It's recommended to consult with a qualified mechanic or auto repair shop for an accurate estimate tailored to your vehicle's needs.
Tech Notes for P0304 2017 Honda CR-V
Need more information about the P0304 2017 Honda CR-V code?
Need more information on how to fix the P0304 2017 Honda CR-V code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0304 2017 Honda CR-V code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0304 2017 Honda CR-V Code
1. What does the OBDII code P0304 mean on a 2017 Honda CR-V?
P0304 indicates that the engine control module (ECM) has detected a misfire in cylinder number 4.
2. What are the common symptoms of P0304 in a 2017 Honda CR-V?
Symptoms may include rough idling, reduced engine performance, poor acceleration, a flashing check engine light, and increased fuel consumption.
3. What causes the P0304 code on a 2017 Honda CR-V?
Common causes include a faulty spark plug, a damaged ignition coil, low cylinder compression, a clogged fuel injector, or a vacuum leak near cylinder 4.
4. Can I drive my 2017 Honda CR-V with a P0304 code?
Driving with a P0304 code is not recommended as it can cause further damage to the engine or catalytic converter if the misfire is severe.
5. How do I diagnose the P0304 code on a 2017 Honda CR-V?
Start by inspecting the spark plug and ignition coil for cylinder 4. Check for vacuum leaks, test the fuel injector, and perform a compression test on the cylinder.
6. How do I fix the P0304 code on a 2017 Honda CR-V?
Repairs may include replacing the spark plug or ignition coil for cylinder 4, cleaning or replacing the fuel injector, repairing vacuum leaks, or addressing low compression issues.
7. How much does it cost to fix the P0304 code on a 2017 Honda CR-V?
The cost depends on the issue. Replacing a spark plug or ignition coil may cost $100-$300, while repairing fuel injectors or addressing compression problems can cost significantly more.
8. Can a clogged fuel injector cause the P0304 code on a 2017 Honda CR-V?
Yes, a clogged or malfunctioning fuel injector can prevent proper fuel delivery to cylinder 4, resulting in a misfire.
9. Will a bad ignition coil cause the P0304 code on a 2017 Honda CR-V?
Yes, a failing ignition coil for cylinder 4 can lead to a weak or nonexistent spark, causing a misfire and triggering the P0304 code.
10. How do I reset the check engine light after fixing the P0304 code on a 2017 Honda CR-V?
You can reset the check engine light by using an OBDII scanner to clear the code, or by disconnecting the battery for a few minutes. Ensure the issue is fully resolved before resetting.
Discuss the causes and fixes for P0304 2017 Honda CR-V OBDII Code
Code P0304 2017 Honda CR-V comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.